EPYC 7542 vs Xeon Phi 3120A
Primary details
Comparing Xeon Phi 3120A and EPYC 7542 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 162 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 5.23 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 11.92 |
| Architecture codename | Knights Corner (2012−2014) | Zen 2 (2017−2020) |
| Release date | 17 June 2013 (11 years ago) | 7 August 2019 (5 years ago) |
| Launch price (MSRP) | no data | $3,400 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon Phi 3120A and EPYC 7542 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 57 (Heptapentaconta-Core) | 32 (Dotriaconta-Core) |
| Threads | 228 | 64 |
| Base clock speed | no data | 2.9 GHz |
| Boost clock speed | 1.1 GHz | 3.4 GHz |
| Multiplier | no data | 29 |
| L1 cache | 32 KB (per core) | 96K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 0 KB (shared) | 128 MB (shared) |
| Chip lithography | 22 nm | 7 nm, 14 nm |
| Die size | 350 mm2 | 192 mm2 |
| Number of transistors | 5,000 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Phi 3120A and EPYC 7542 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 2 (Multiprocessor) |
| Socket | PCIe x16 | SP3 |
| Power consumption (TDP) | 300 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Phi 3120A and EPYC 7542. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Xeon Phi 3120A and EPYC 7542 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Phi 3120A and EPYC 7542 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Phi 3120A and EPYC 7542. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR4 Eight-channel |
| Maximum memory size | no data | 4 TiB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | no data | 204.763 GB/s |
| ECC memory support | - | + |
Pros & cons summary
| Recency | 17 June 2013 | 7 August 2019 |
| Physical cores | 57 | 32 |
| Threads | 228 | 64 |
| Chip lithography | 22 nm | 7 nm |
| Power consumption (TDP) | 300 Watt | 225 Watt |
Xeon Phi 3120A has 78.1% more physical cores and 256.3% more threads.
EPYC 7542, on the other hand, has an age advantage of 6 years, a 214.3% more advanced lithography process, and 33.3% lower power consumption.
We couldn't decide between Xeon Phi 3120A and EPYC 7542. We've got no test results to judge.
Should you still have questions on choice between Xeon Phi 3120A and EPYC 7542, ask them in Comments section, and we shall answer.
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